#pragma once
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <cassert>
#include<string>

#include <unistd.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <netinet/in.h>

typedef struct sockaddr_in sockaddr_in;
typedef struct sockaddr sockaddr;

class TcpSocket
{
public:
    TcpSocket() : fd_(-1)
    {
    }
    TcpSocket(int fd):fd_(fd)
    {

    }
    bool Socket()
    {
        fd_=socket(AF_INET,SOCK_STREAM,0);
        if(fd_<0)
        {
            perror("sock_create_error");
            return false;
        }
        printf("we open socket fd :%d\n",fd_);
        return true;
    }
    bool Close()const
    {
        close(fd_);
        printf("we close socket fd  %d:",fd_);
        return fd_;
    }
    bool Bind()const
    {
        sockaddr_in addr;
        addr.sin_family=AF_INET;
        addr.sin_addr.s_addr=INADDR_ANY;
        addr.sin_port=htons((uint16_t)8888);
        int ret=bind(fd_,(sockaddr*)&addr,sizeof(addr));
        if(ret<0)
        {
            perror("bind_error");
            return false;
        }
        return true;
    }
    bool Listen(int num)const
    {
        int ret=listen(fd_,num);
        if(ret<0)
        {
            perror("listen_error");
            return false;
        }
        return true;
    }
    bool Accept(TcpSocket* peer,std::string* ip=NULL,uint16_t* port=NULL)const
    {
        sockaddr_in peer_addr;
        socklen_t len=sizeof(peer_addr);
        int new_sock=accept(fd_,(sockaddr*)&peer_addr,&len);
        if(new_sock<0)
        {
            perror("Accept_error");
            return false;
        }
        printf("we accept a fd :%d",new_sock);
        peer->fd_=new_sock;
        if(ip!=nullptr)
        {
            *ip=inet_ntoa(peer_addr.sin_addr);
        }
        if(port!=nullptr)
        {
            *port=ntohs(peer_addr.sin_port);
        }
        return true;
    }
    bool Recv(std::string *buf)const
    {
        buf->clear();
        char tmp[1024*10]={0};
        ssize_t read_size=recv(fd_,tmp,sizeof(tmp),0);
        if(read_size<0)
        {
            perror("recv_error");
            return  false;
        }
        *buf = (std::string)tmp;

        return true;
    }
    bool Send(const std::string& buf)const
    {
        ssize_t write_size=send(fd_,buf.data(),sizeof(buf),0);
        if(write_size<0)
        {
            perror("send_error");
            return false;
        }
        return true;
    }
    bool Connect(const std::string& ip,uint16_t port)const
    {
        sockaddr_in addr;
        addr.sin_family=AF_INET;
        addr.sin_addr.s_addr=inet_addr(ip.c_str());
        addr.sin_port=htons(port);
        int ret=connect(fd_,(sockaddr*)&addr,sizeof(addr));
        if(ret<0)
        {
            perror("connect_error");
            return false;
        }
        return true;
    }
    int GetFd()const
    {
        return fd_;
    }

private:
    int fd_;
};
